Service - 150
JT9 Operator’s
Manual
2000 Hour
CMW
®
2000 Hour
Drilling Unit
Change Engine Coolant (Tier 4)
Drain cooling system at drain (2) every two years
or 2000 hours. Refill at fill (1) with approved
coolant.
Location
Task
Notes
DRILLING
UNIT
Change engine coolant
DEAC, Tier 4 only